Spectroscopic ellipsometry indicates that the quantum effect of ZnO quantum dot leads to the fact that the absorption energy of exciton(3.76 eV) is bigger than the band gap of bulk ZnO.

• SE表征发现ZnO量子点的量子效应导致了ZnO量子点的激子吸收能(3.；76eV)比ZnO体晶的能带隙(3